Finding the Fourth Proportional to 130,795.24, 180,497.38 and 74,217.96
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Solution
The fourth proportional to 130,795.24, 180,497.38 and 74,217.96 is: 102,420.76
Step by Step Solution
- Step 1: Write the proportion equation
130,795.24 : 180,497.38 = 74,217.96 : x - Step 2: Convert to fraction form
130,795.24/180,497.38 = 74,217.96/x - Step 3: Cross multiply
130,795.24x = 180,497.38 × 74,217.96 - Step 4: Simplify right side
130,795.24x = 13,396,147,328.94 - Step 5: Solve for x
x = 13,396,147,328.94/130,795.24 - Step 6: Final answer
x = 102,420.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.